<P>From the point of view of psychology and cognitive science, much of modern linguistics is too formal and mathematical to be of much use.&nbsp; <I>The New Psychology of Language</I> volumes broke new ground by introducing functional and cognitive approaches to language structure in terms already familiar to psychologists, thus defining the next era in the scientific study of language.<BR><BR>The <I>Classic Edition</I> volumes re-introduce some of the most important cognitive and functional linguists working in the field.&nbsp; They include a new introduction by Michael Tomasello in which he reviews what has changed since the volumes first published and highlights the fundamental insights of the original authors. <EM>The New Psychology of Language </EM>volumes are a must-read for anyone interested in understanding how cognitive and functional linguistics has become the thriving perspective on the scientific study of language that it is today.</P>